A student performs a titration with different burettes and finds titre values of 25.2 ml, 25.25 ml and 25.0 ml.

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A student performs a titration with different burettes and finds titre values of 25.2 ml, 25.25 ml and 25.0 ml. The number of significant figures in the average titre value is :

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The average titration values is

average titration

As 25.2 and 25.0 have only one digit after decimal so the average must have one digit after decimal and we have to round off the average value.

Average value =25.2ml and have 3 significant figures

The correct answer is (A) 3

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